20750318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7691}}^1$

素因数の和:7783

約数の個数: 16

約数和(自身を含む): 33229440

約数和(自身を除く): 12479122

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7691, 15382, 146129, 292258, 546061, 1092122, 10375159, 20750318]

約数ペア:

[(1, 20750318), (2, 10375159), (19, 1092122), (38, 546061), (71, 292258), (142, 146129), (1349, 15382), (2698, 7691)]